Houseisr



(Model.)

E. G. PELTHGU'SBN su D. L. VOLKBR.

INJBGTOR.

Patented Aug.14,` 1883.

No. 283,229.'V

m A I I/ A l I M l a Winamax: ww/7 I e UNITED STATES *PATENT JEEICE'.

. EDWARD G. 1FEIIDIIoUsEN AND DANIEL L. voLKEE, or EUEEALO, N. Y.

INJECTOR.

SPECIFICATION forming part of Letters Patent No. 283,229, dated August 14, 1883.

` Application medMay 18,1883. (Model.)

. To all whom it may concern;

,HoUsEN and DANIEL L. VOLKER, of the city of Buffalo, in thecounty of Erie and State of New York, have invented new and useful Improvements in Injectors, of which .the following is aspecification.

This invention relates Vto an improvement in that class ofinjectors which are provided with two jet devices, one of which `is designed to draw the water from the well or other point of supply and` deliver the water to the second jet device, which latter serves to-force the water into the steam-boiler.

The obj ect of our invention is to render the injector simple and more compact in its con-` struction and more efficient and convenient in its operation than heretofore; and our invention consists of the improvements inthe construction .of the injector, which will be herein- `after fully set forth, 'and pointed outin the claim. e e

In the accompanying-drawings, Figure 1 representsa side elevation of our improved injector. Fig. 2 is alongitudinal section thereof. Fig. -3 is a cross-section in line a; w, Fig. 2. Fig. 4 is a cross-section in linely y, Fig. 2.

Figs. 5 and 6 represent different positions of the steam-valve.

Figs. 7 and 8 represent different positions of the overflow-valve.

`Like letters of reference refer to like parts in the several figures.

A represents the tubular shell or body of the injector, and a the steam-inlet pipe, which is connected with a steam-supply pipe by any` suitable means.

B represents a rocking valve, which is arranged in a chamber, B', communicating with the steam-inlet pipe a, and whereby the steam is directed to the jet apparatus of the condenser and excluded therefrom at desire.

`b represents a steam passage or port leadingfrom the steam-chamber B to the primary jet apparatus, whereby the waterMis-drawn from the well or other supply, and c is a simi- `lar steam passage orport leading from the valve-chamber B to the secondary jet appa-4 ratus, which e receives the mingled water and steam from` the primary jet apparatus and forces it into the boiler.

bining-tube, and D2 the diverging dischargetube, of the primary jet apparatus. The cone D and tubes D D2 are arranged about in axial line of the tubularshell A of the injector. The steam-port b communicates with a space or chamber, d, in which the open receiving end of the steam-cone D is arranged, and which is closed by a screw-cap, E, which is seated in a screw-threaded opening in theend of the tubular shell A of the injector. `The steamcone D is secured by a screw-thread in a threaded opening formed in a partition or diaphragm, e, whereby the steam-space d is sepnarated from the water-space of the primary jet device. e

The tubes .D Dl are formed in one piece and provided with an external screw-threaded'portion, f, which is secured in a screw-threaded opening formed in a partition, f', of the body of the injector.

The collar e of the steam-cone D and the collar f2 of the tubular part D Dlare provided, respectively, with openings or recesses e2 and f3, to which a wrench can be applied for turning these parts in securing and unscrewing them. 1 g represents the water-inlet passage formed .in the lower side of the body A, and communicating with the water-space G, which sur! rounds the inner end of the steam-cone DV and' the combining-tube D.

H represents a passage or chamber formed in the body A of the injector, and leading from the diverging discharge-tube of the .pri-

mary jet device to the combining-tube of the secondary jet device. The latter is composed of a steam-cone, I, a combining-tube, I', and a diverging discharge-tube, I2.

I The steam-cone Iis constructed with an eX- ternal screw-thread, t', and a collar, fi', by which it is secured in av threaded opening in a partitio'n, j, formed in the bodyA of the injector, so that the receiving end of the steam-cone I communicates with the steam-port c.

The combining-tube I and discharge-tube I2 are formed of one piece, which is provided with an external screw-thread, 7c, and collar k', whereby this tubular piece is secured to a partition, K, formed in the body A.

, L is a screw-collar or tubular sleeve, secured in the discharge end of the body A of the injector, and provided with a central passage, in which a check-valve, Z, is seated.

The collar z" of the steam-cone I and the collar k of the tubular piece I I2 are provided, respectively, with openings or recesses i2 k2, to which a suitable wrench can be applied for turning these parts in their screw-threads. Ihe

1o passage H communicates with a chamber, m, f which surrounds the discharge end of the steam-cone I and the receiving end of the combining-tube I, as clearly shown in Fig. 2.

n represents an overflow-passage which leads from the chamber m to a valve-chamber, M,

in which is arranged a rocking valve, O, where- ,.by this passage is opened or closed.

n is a discharge-passage which leads from the valve-chamber O to the exterior atmosphere.

I represents a chamber which is arranged in the body A of the injector around the discharge end of the diverging discharge-tube I", and p is a drain-passage which leads from the inner end of the chamber l? tothe valve-chamber lVI.

The rock-valve Bis provided with a portion, q, which is adapted to cover the port b, a portion, q, which is adapted to cover the port c,

` 3o and an opening, q2, arranged between thepor- 'Ihe portion q is made so long that it will keep' the port c closed when the port b is opened,

v3, 5 and that it will not open the port c until the port b is closed.

1- represents a stop arranged in the valvecase for limiting the rocking movement of the valve B. l s represents a rock-shaft, upon the inner end of which the valve B is Amounted, and whereby the valve is actuated. The shaft s extends through a` stuffing-box, S, and is provided at its outer end with a hand-lever, S, whereby it is turned. The Overflow-valve is provided with a stem, o, which extends outwardly through a stuffing-box, o2, and is provided with an arm, o3, which latter is connected with the hand-lever S by a rod, S2, so 5o that both the steam-valve B and the overflowvalve O are adjusted simultaneously by moving the hand-lever S.

The overflow-valve O is constructed in the manner of a three-way cock, with an aperture, t, adapted to register with the overflow-passage n, an aperture, t', adapted to register with the outlet n, and an aperture, t2, adapted .to register with the drain-passage p. The solid portions of the valve O, between the apertures 6o t t t2, are'sol arranged that the overflow n, the

drain @and the outlet n are open when the .cumulative effect of both in drawing and forcvalve B closes the ports I) and c, as represented in Fig. 2.

When the hand-lever S is turned a short distance in the direction of the arrow, Fig. 1, the steam-port b is opened, while the port c remains closed, as represented in Fig. 5, thereby admitting steam to the primary jet device, and causing the wat-er to be drawn through the inlet g into the chamber G, and to be moved 7o l through the tubes DD, chamber H, and overiiow n. When the-water has been fairly set in motion and caused to fillthese passages, the valve B is further moved by turning the handle S in the same direction, thereby closing the port b and opening the port c, as represented in Fig. 6. .The overflow-valve O is moved at the same time, so as to close the overflow-passage n, while the drain p and outlet n remain open. rIhe water is now driven by the steamjet of the secondary jet device through the tubes I I2 and the chamber P into the boiler, the drain p operating as a relief-passage,where 1 by the first impact of the moving liquid is reduced. When the secondary jet apparatus has begun to operate satisfactorily, the handle S is further turned in the same direction, so as to open the Yport c' fully, whereby at the same time the overiiow u, the drain p, and the outlet n are closed, as represented in Fig. 8. The parts remain in this position while the apparatus remains in operation. The primary jet device serves to draw the water from -the well and delivers the same to the second- IOO Vstructed that the port b remains open when the p ort c is opened, thereby operating both jet devices simultaneously and obtaining the ing the water. This is -readily accomplished by shortening the part q of the steam-valve B or increasing the width of the opening q2.

Ve claim as our invention- The combination, in an injector, of two jet devices, D D D2, and I I I2, arranged substantially yin line with each other, a connecting chamberor passage, H, a rock-valve, B, and steam-ports b and c, leading from the valvechamber to said jet devices, substantially :s set forth.

E. Gr. FELTHOUSEN. D. Il. VOLKER.

Witnesses:

GHAs. F. GEYER, JNO. J. BONNER. 

